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← TechnologyWhich consequence results when workpiece temperature is too low during isothermal forging of titanium?
A)Grain boundary pinning occurs rapidly
B)Recrystallization kinetics limit deformation✓
C)Oxidation rate substantially accelerates
D)Eutectic phase formation is enabled
💡 Explanation
Insufficient workpiece temperature during isothermal forging hinders the diffusion-controlled creep, because thermally activated recrystallization kinetics become rate-limiting, halting further deformation rather than allowing creep. Therefore, the material's ductility decreases. Oxidation is avoided through shielding, not temperature.
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